<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px"><div id="yui_3_16_0_ym19_1_1519918442655_3019"><span>Alex,</span></div><div id="yui_3_16_0_ym19_1_1519918442655_3019"><span><br></span></div><div id="yui_3_16_0_ym19_1_1519918442655_3019"><span>Thanks for the help.</span></div><div id="yui_3_16_0_ym19_1_1519918442655_3019"><span><br></span></div><div id="yui_3_16_0_ym19_1_1519918442655_3019" dir="ltr"><span style="font-family: "Helvetica Neue", "Segoe UI", Helvetica, Arial, "Lucida Grande", sans-serif;" id="yui_3_16_0_ym19_1_1519918442655_3104">With <param name="dtmf-type" value="none"/> in sofia profile, the offer from FreeSwitch does not add telephone event support.</span><br></div><div id="yui_3_16_0_ym19_1_1519918442655_3019" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1519918442655_3019" dir="ltr">With <span style="font-family: "Helvetica Neue", "Segoe UI", Helvetica, Arial, "Lucida Grande", sans-serif;" id="yui_3_16_0_ym19_1_1519918442655_3562"><action application="set" data="execute_on_media=start_dtmf_generate"/>, FreeSwitch always sends DTMF inband even the offer from FreeSwitch and answer both supports telephone event.</span></div><div id="yui_3_16_0_ym19_1_1519918442655_3019" dir="ltr"><span style="font-family: "Helvetica Neue", "Segoe UI", Helvetica, Arial, "Lucida Grande", sans-serif;"><br></span></div><div id="yui_3_16_0_ym19_1_1519918442655_3019" dir="ltr"><span style="font-family: "Helvetica Neue", "Segoe UI", Helvetica, Arial, "Lucida Grande", sans-serif;" id="yui_3_16_0_ym19_1_1519918442655_3747">What I want is DTMF negotiation as below,</span></div><div id="yui_3_16_0_ym19_1_1519918442655_3019" dir="ltr"><span style="font-family: "Helvetica Neue", "Segoe UI", Helvetica, Arial, "Lucida Grande", sans-serif;"><br></span></div><div id="yui_3_16_0_ym19_1_1519918442655_3019" dir="ltr"><font face="Helvetica Neue, Segoe UI, Helvetica, Arial, Lucida Grande, sans-serif" id="yui_3_16_0_ym19_1_1519918442655_3826">FreeSwitch always adds telephone event support in offer,</font></div><div id="yui_3_16_0_ym19_1_1519918442655_3019" dir="ltr"><font face="Helvetica Neue, Segoe UI, Helvetica, Arial, Lucida Grande, sans-serif"><br></font></div><div id="yui_3_16_0_ym19_1_1519918442655_3019" dir="ltr"><font face="Helvetica Neue, Segoe UI, Helvetica, Arial, Lucida Grande, sans-serif" id="yui_3_16_0_ym19_1_1519918442655_3866">1. If answer supports telephone event, then FreeSwitch sends DTMF in rfc2833.</font></div><div id="yui_3_16_0_ym19_1_1519918442655_3019" dir="ltr"><font face="Helvetica Neue, Segoe UI, Helvetica, Arial, Lucida Grande, sans-serif" id="yui_3_16_0_ym19_1_1519918442655_3903">2. If answer does not support telephone event, then FreeSwitch sends DTMF inband.</font></div><div id="yui_3_16_0_ym19_1_1519918442655_3019" dir="ltr"><font face="Helvetica Neue, Segoe UI, Helvetica, Arial, Lucida Grande, sans-serif"><br></font></div><div id="yui_3_16_0_ym19_1_1519918442655_3019" dir="ltr"><font face="Helvetica Neue, Segoe UI, Helvetica, Arial, Lucida Grande, sans-serif" id="yui_3_16_0_ym19_1_1519918442655_3941">Is it possible?</font></div><div id="yui_3_16_0_ym19_1_1519918442655_3019" dir="ltr"><font face="Helvetica Neue, Segoe UI, Helvetica, Arial, Lucida Grande, sans-serif"><br></font></div><div id="yui_3_16_0_ym19_1_1519918442655_3019" dir="ltr"><font face="Helvetica Neue, Segoe UI, Helvetica, Arial, Lucida Grande, sans-serif" id="yui_3_16_0_ym19_1_1519918442655_3943">Thanks again.</font></div><div id="yui_3_16_0_ym19_1_1519918442655_3019" dir="ltr"><font face="Helvetica Neue, Segoe UI, Helvetica, Arial, Lucida Grande, sans-serif"><br></font></div><div id="yui_3_16_0_ym19_1_1519918442655_3019" dir="ltr"><font face="Helvetica Neue, Segoe UI, Helvetica, Arial, Lucida Grande, sans-serif">/Kaiduan</font></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1519918442655_3293"><br></div><div class="yahoo_quoted" id="yui_3_16_0_ym19_1_1519918442655_3249" style="display: block;"> <div style="font-family: Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 13px;" id="yui_3_16_0_ym19_1_1519918442655_3248"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_ym19_1_1519918442655_3247"> <div dir="ltr" id="yui_3_16_0_ym19_1_1519918442655_3321"><font size="2" face="Arial" id="yui_3_16_0_ym19_1_1519918442655_3553"> On Thursday, March 1, 2018 3:22 AM, Alexey Sibyakin <alex@freeswitch.com> wrote:<br></font></div> <br><br> <div class="y_msg_container" id="yui_3_16_0_ym19_1_1519918442655_3246"><div id="yiv5800712039"><div id="yui_3_16_0_ym19_1_1519918442655_3245"><div dir="ltr" id="yui_3_16_0_ym19_1_1519918442655_3244">Hi,<div id="yui_3_16_0_ym19_1_1519918442655_3270"><br clear="none"></div><div id="yui_3_16_0_ym19_1_1519918442655_3243">You need </div><div id="yui_3_16_0_ym19_1_1519918442655_3554"><action application="set" data="execute_on_media=start_dtmf_generate"/></div><div id="yui_3_16_0_ym19_1_1519918442655_3466">in dialplan and probably</div><div><param name="dtmf-type" value="none"/><br clear="none"></div><div>in sofia profile</div><div><br clear="none"></div><div>Alex</div></div><div class="yiv5800712039gmail_extra" id="yui_3_16_0_ym19_1_1519918442655_3507"><br clear="none"><div class="yiv5800712039gmail_quote" id="yui_3_16_0_ym19_1_1519918442655_3506">On Thu, Mar 1, 2018 at 12:02 AM, kaiduan xie <span dir="ltr"><<a rel="nofollow" shape="rect" ymailto="mailto:kaiduanx@yahoo.ca" target="_blank" href="mailto:kaiduanx@yahoo.ca">kaiduanx@yahoo.ca</a>></span> wrote:<br clear="none"><blockquote class="yiv5800712039gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;" id="yui_3_16_0_ym19_1_1519918442655_3505"><div class="yiv5800712039yqt8579238917" id="yiv5800712039yqt24303"><div id="yui_3_16_0_ym19_1_1519918442655_3504"><div style="color:#000;background-color:#fff;font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px;" id="yui_3_16_0_ym19_1_1519918442655_3503"><div id="yiv5800712039m_6303301151306085034yui_3_16_0_ym19_1_1519829817545_3985">Hi,</div><div id="yiv5800712039m_6303301151306085034yui_3_16_0_ym19_1_1519829817545_3985"><br clear="none"></div><div id="yiv5800712039m_6303301151306085034yui_3_16_0_ym19_1_1519829817545_3985">We are encountering the following DTMF issue,</div><div id="yiv5800712039m_6303301151306085034yui_3_16_0_ym19_1_1519829817545_3985"><br clear="none"></div><div dir="ltr" id="yiv5800712039m_6303301151306085034yui_3_16_0_ym19_1_1519829817545_3985">FreeSwitch adds telephone-event support in INVITE to SBC, SBC replies back without telephone-event support in 200. </div><div dir="ltr" id="yiv5800712039m_6303301151306085034yui_3_16_0_ym19_1_1519829817545_3985"><br clear="none"></div><div dir="ltr" id="yiv5800712039m_6303301151306085034yui_3_16_0_ym19_1_1519829817545_3985">However FreeSwitch still sends out DTMF in RFC 2833 event.</div><div dir="ltr" id="yiv5800712039m_6303301151306085034yui_3_16_0_ym19_1_1519829817545_3985"><br clear="none"></div><div dir="ltr" id="yiv5800712039m_6303301151306085034yui_3_16_0_ym19_1_1519829817545_3985">I think FreeSwitch should send out DTMF inband instead of 2833 event, what is the configuration for this?</div><div dir="ltr" id="yiv5800712039m_6303301151306085034yui_3_16_0_ym19_1_1519829817545_3985"><br clear="none"></div><div dir="ltr" id="yiv5800712039m_6303301151306085034yui_3_16_0_ym19_1_1519829817545_3985">Many thanks for help,</div><div dir="ltr" id="yiv5800712039m_6303301151306085034yui_3_16_0_ym19_1_1519829817545_3985"><br clear="none"></div><div dir="ltr" id="yiv5800712039m_6303301151306085034yui_3_16_0_ym19_1_1519829817545_3985">/Kaiduan</div></div></div></div><br clear="none">______________________________ ______________________________ _____________<br clear="none">
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<a rel="nofollow" shape="rect" target="_blank" href="http://www.freeswitch.org/">http://www.freeswitch.org</a><br clear="none"></blockquote></div><br clear="none"><br clear="all"><div><br clear="none"></div>-- <br clear="none"><div class="yiv5800712039gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div style="font-family:HelveticaNeue,;"><div dir="ltr" style="color:rgb(0,0,0);font-size:12.8px;line-height:1.38;margin-top:0pt;margin-bottom:0pt;margin-left:4.5pt;"><img src="https://docs.google.com/uc?export=download&id=1xswZRZyVDo0WQhaemK47pU266yzDRmi0&revid=0B2xnT7i45ngrMTVKM1dpSHZIN28zU0QzbW9xeVF6RXFyRHhBPQ" data-id="513f238a-c424-4a1b-246a-a188d0e9fd8d"><br clear="none"></div><div dir="ltr" style="color:rgb(0,0,0);font-size:12.8px;line-height:1.38;margin-top:0pt;margin-bottom:0pt;margin-left:4.5pt;"><span style="background-color:transparent;vertical-align:baseline;"><font color="#000000" style="font-family:Arial;font-size:8pt;white-space:pre-wrap;">Alex Sibyakin | Support Engineer</font></span></div><div dir="ltr" style="color:rgb(0,0,0);font-size:12.8px;line-height:1.38;margin-top:0pt;margin-bottom:0pt;margin-left:4.5pt;"><span style="font-size:8pt;font-family:Arial;background-color:transparent;vertical-align:baseline;white-space:pre-wrap;"><font color="#000000">FreeSWITCH Solutions | <a rel="nofollow" shape="rect" target="_blank" href="https://maps.google.com/?q=17345+Civic+Drive+%232531+Brookfield,+WI+53045&entry=gmail&source=g" style="margin:0px;padding:0px;background:transparent;color:rgb(25,106,212);outline:none;">17345 Civic Drive #2531 Brookfield, WI 53045</a></font></span></div><div dir="ltr" style="font-size:12.8px;line-height:1.38;margin-top:0pt;margin-bottom:0pt;margin-left:4.5pt;"><font><span style="font-size:8pt;font-family:Arial;background-color:transparent;vertical-align:baseline;white-space:pre-wrap;"><font color="#000000">Email: </font><a rel="nofollow" shape="rect" ymailto="mailto:alex@freeswitch.com" target="_blank" href="mailto:alex@freeswitch.com"><font color="#3d85c6">alex@freeswitch.com</font></a></span></font></div><div dir="ltr" style="color:rgb(0,0,0);font-size:12.8px;line-height:1.38;margin-top:0pt;margin-bottom:0pt;margin-left:4.5pt;"><font color="#000000"><span style="font-size:8pt;font-family:Arial;background-color:transparent;vertical-align:baseline;white-space:pre-wrap;">Website: </span><span style="margin:0px;padding:0px;background:transparent;color:rgb(25,106,212);outline:none;font-size:8pt;font-family:Arial;vertical-align:baseline;white-space:pre-wrap;"><a rel="nofollow" shape="rect" target="_blank" href="https://www.freeswitch.com/" style="margin:0px;padding:0px;background:transparent;color:rgb(25,106,212);outline:none;">https://www.FreeSWITCH.com</a></span></font></div><div dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;margin-left:4.5pt;"><font size="1"><span style=""><font color="#000000">Need commercial support? Contact</font></span><span style="color:rgb(51,51,51);"> </span><a rel="nofollow" shape="rect" ymailto="mailto:sales@freeswitch.com" target="_blank" href="mailto:sales@freeswitch.com" style="color:rgb(53,114,176);">sales@freeswitch.com</a><span style="color:rgb(51,51,51);"> </span><span style=""><font color="#000000">for details.</font></span></font><font color="#000000" style="color:rgb(0,0,0);font-size:12.8px;"><br clear="none"></font></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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